56.02% is the change from 266 to 415
Calculation steps:
[( 415 - 266 ) ÷ 266] x 100 = 56.02%
Formula
Percentage change = [(415 - 266) / 266] x 100
Subtract the new number by the original number
415 - 266 = 149
149 ÷ 266 = 0.5601503759398496
0.5601503759398496 x 100 = 56.02%